21741512273841 has 8 divisors (see below), whose sum is σ = 28993927975744. Its totient is φ = 14491719043920.

The previous prime is 21741512273837. The next prime is 21741512273869. The reversal of 21741512273841 is 14837221514712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21741512273841 - 2² = 21741512273837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21741512274841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655598650 + ... + 655631811.

It is an arithmetic number, because the mean of its divisors is an integer number (3624240996968).

Almost surely, 2^{21741512273841} is an apocalyptic number.

It is an amenable number.

21741512273841 is a deficient number, since it is larger than the sum of its proper divisors (7252415701903).

21741512273841 is a wasteful number, since it uses less digits than its factorization.

21741512273841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311235991.

The product of its digits is 752640, while the sum is 48.

The spelling of 21741512273841 in words is "twenty-one trillion, seven hundred forty-one billion, five hundred twelve million, two hundred seventy-three thousand, eight hundred forty-one".